Body Basics

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Across
  1. 1. _____ blood cells fight outside substance in the body to protect it from harm.
  2. 4. the main tube from which blood leaves the heart and goes into the body
  3. 7. ________ respiration describes the exchange of gases between the lungs and red blood cells.
  4. 10. ___ blood cells take oxygen out to the body and bring waste back.
  5. 11. ______ Makes up a majority of the blood.
  6. 12. Connects muscle to bone.
  7. 13. Secondary passage to the lungs branching off from the wind pipe
  8. 14. Connects bone to each other
  9. 17. Soft bone like tissue that protects joints and some organs
  10. 18. ____ & Extend are the two complementary actions of muscles
  11. 19. Muscles grow by _______ during exertion
  12. 21. The upper chambers of the heart where blood enters
Down
  1. 2. ________ respiration describes the exchange of gasses between the lungs and surrounding environment.
  2. 3. carries blood back to the heart. Visible but no pulse.
  3. 5. Carries blood to the body from the heart. Cannot be seen but has a pulse.
  4. 6. The lower muscular chambers of the heart that pump blood out to the body
  5. 8. series of offshoots that connect arteries and veins.
  6. 9. ________ & Diastolic are the measurement of blood pressure
  7. 15. The wind pipe. The main passage for air to the lungs.
  8. 16. Blood leaves the heart for the body from the ____
  9. 20. Blood leaves the heart for the lungs from the _____